Inguinal Canal

Question 1

Contents of Inguinal Canal

Answer 1

1. Male: Spermatic Cord and Ilionguinal Nerve

2. Female: Round Ligament of Uterus and Ilioinguinal Nerve

Question 2

Location of Deep and Superficial Inguinal Rings

Answer 2

1. DIR: Transversalis Fascia, 1/2” Sup. to Midinguinal Point

2. SIR: External Oblique, 1” sup. and lat. to Pubic Tubercle

Question 3

Floor of the Inguinal Canal

Answer 3

Inguinal Ligament

Question 4

Band of Mesenchyme during descent of the Gonads

Answer 4

Gubernaculum

Question 5

Contents of Spermatic Cord

Answer 5

1. Ductus/Vas Deferens
2. Testicular Artery (from Abdominal Aorta)
3. Pampiniform Plexus to Testicular Veins
4. Genital Branch of Genitofemoral Nerve
5. Lymphatics
6. Remnants of Processus Vaginalis

Question 6

Motor and Sensory Nerves of Cremasteric Reflex

Answer 6

1. Motor: Genital Branch of Genitofemoral Nerve

2. Sensory: Ilioinguinal Nerve

Question 7

What does the Ilioinguinal Nerve take care of?

Answer 7

Sensation of the superior-middle thigh

Question 8

Varicocele

Answer 8

Elongation and Dilatation of the veins of the Pampiniform Plexus, usually on Left side

Question 9

Hydrocele

Answer 9

Excess Fluid in the Tunica Vaginalis

Question 10

Acquired vs. Congenital Hydrocele

Answer 10

1. Congenital: Incomplete obliteration of Processus Vaginalis
2. Acquired: Inflammation of the Testis with fluid accumulation

Question 11

What side is an Indirect inguinal hernia most frequently on and why?

Answer 11

The Right side, because the right testis descends last

Question 12

What vessel demarcates an indirect hernia from a direct hernia and which is which?

Answer 12

• The Inferior Epigastric Artery
• Indirect Ing. Hernia: Lateral to IEA
• Direct Ing. Hernia: Medial to IEA

Question 13

Which gender more frequently has inguinal hernias?

Answer 13

Males (85% of cases)